/*
 * Copyright (c) 2020 - present, Inspur Genersoft Co., Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.inspur.edp.cef.generator.coreGenerator.base.entitygen.method;

import com.inspur.edp.caf.generator.baseInfo.ParameterInfo;
import com.inspur.edp.caf.generator.baseInfo.TypeInfo;
import com.inspur.edp.caf.generator.method.ClassMethodGenerator;
import com.inspur.edp.cef.api.message.CefException;
import com.inspur.edp.cef.entity.entity.ICefData;
import java.util.ArrayList;
import com.inspur.edp.cef.generator.overall.GeneratorUtil;
import org.eclipse.jdt.core.dom.Block;
import org.eclipse.jdt.core.dom.CastExpression;
import org.eclipse.jdt.core.dom.CatchClause;
import org.eclipse.jdt.core.dom.ClassInstanceCreation;
import org.eclipse.jdt.core.dom.MethodInvocation;
import org.eclipse.jdt.core.dom.Modifier;
import org.eclipse.jdt.core.dom.ReturnStatement;
import org.eclipse.jdt.core.dom.SingleVariableDeclaration;
import org.eclipse.jdt.core.dom.ThrowStatement;
import org.eclipse.jdt.core.dom.TryStatement;

public class CopySelfGenerator extends ClassMethodGenerator {

  @Override
  protected String getMethodName() {
    return "innerCopySelf";
  }

  @Override
  protected boolean getIsOverride() {
    return true;
  }

  @Override
  protected TypeInfo getReturnType() {

    return new TypeInfo(ICefData.class.getTypeName());
  }

  @Override
  protected ArrayList<Modifier.ModifierKeyword> getAccessModifiers() {
    ArrayList<Modifier.ModifierKeyword> list = new ArrayList<>();
    list.add(Modifier.ModifierKeyword.PROTECTED_KEYWORD);
    return list;
  }

  @Override
  protected ArrayList<ParameterInfo> getParameterCollection() {
    return null;
  }

  @Override
  protected Block buildMethodBody() {
    Block block = ast.newBlock();
    TryStatement tryStatement = ast.newTryStatement();
    setTryBody(tryStatement);
    setTryCatch(tryStatement);
    block.statements().add(tryStatement);
    return block;
  }

  private void setTryCatch(TryStatement tryStatement) {

    CatchClause catchClause = ast.newCatchClause();
    setCatchClauseException(catchClause);
    setCatchClauseBody(catchClause);
    tryStatement.catchClauses().add(catchClause);
  }

  private void setCatchClauseException(CatchClause catchClause) {
    SingleVariableDeclaration singleVariableDeclaration = ast.newSingleVariableDeclaration();
    singleVariableDeclaration.setType(
        new com.inspur.edp.caf.generator.baseInfo.TypeInfo(CloneNotSupportedException.class)
            .getType(ast));
    singleVariableDeclaration.setName(ast.newSimpleName("e"));
    catchClause.setException(singleVariableDeclaration);
  }

  private void setCatchClauseBody(CatchClause catchClause) {
    Block catchBodyBlock = ast.newBlock();
    addImport(CefException.class.getTypeName());
    ThrowStatement throwStatement = GeneratorUtil.getThrowStatementWithParamName(ast,"e");
//    ClassInstanceCreation classInstanceCreation = ast.newClassInstanceCreation();
//    classInstanceCreation.setType(
//        new com.inspur.edp.caf.generator.baseInfo.TypeInfo(RuntimeException.class).getType(ast));
//    classInstanceCreation.arguments().add(ast.newSimpleName("e"));
//    throwStatement.setExpression(classInstanceCreation);

    catchBodyBlock.statements().add(throwStatement);
    catchClause.setBody(catchBodyBlock);
  }

  private void setTryBody(TryStatement tryStatement) {

    ReturnStatement returnStatement = ast.newReturnStatement();
    CastExpression castExpression = ast.newCastExpression();
    castExpression
        .setType(new com.inspur.edp.caf.generator.baseInfo.TypeInfo(ICefData.class).getType(ast));
    addImport(ICefData.class.getTypeName());

    MethodInvocation cloneMethodInvoke = ast.newMethodInvocation();
    cloneMethodInvoke.setName(ast.newSimpleName("clone"));
    castExpression.setExpression(cloneMethodInvoke);

    returnStatement.setExpression(castExpression);
    Block block = ast.newBlock();
    block.statements().add(returnStatement);
    tryStatement.setBody(block);
  }

}
